Asked by Rachel
Given the vectors a= (-1,9) and b= (4,2) explain the difference between a-b and b-a. Thank you for your help! :)
Answers
Answered by
Steve
a-b = -(b-a)
so, they are vectors of the same magnitude, but in opposite directions.
as you know, a+b is like the diagonal of a parallelogram with a and b as two sides.
a-b is the other diagonal.
so, they are vectors of the same magnitude, but in opposite directions.
as you know, a+b is like the diagonal of a parallelogram with a and b as two sides.
a-b is the other diagonal.
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